Home / 27,528.73-37,953.48-19,865.56

Finding the Fourth Proportional to 27,528.73, 37,953.48 and 19,865.56

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Solution

The fourth proportional to 27,528.73, 37,953.48 and 19,865.56 is: 27,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,528.73 : 37,953.48 = 19,865.56 : x
  2. Step 2: Convert to fraction form
    27,528.73/37,953.48 = 19,865.56/x
  3. Step 3: Cross multiply
    27,528.73x = 37,953.48 × 19,865.56
  4. Step 4: Simplify right side
    27,528.73x = 753,967,134.15
  5. Step 5: Solve for x
    x = 753,967,134.15/27,528.73
  6. Step 6: Final answer
    x = 27,388.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.